EdgeMarket › What Deerfield Management Company, L.P. (Series C) reported owning

What Deerfield Management Company, L.P. (Series C) reported owning

As filed on Form 13F for the quarter ending 2026-03-31, up to 45 days after that date. Long-only US-listed equity — shorts, bonds, cash and non-US listings are not on the form, so this is one leg of the book, not the book.

Reported value

8.5B

Positions

82

Quarter

2026-03-31

Shown below

50
largest by value
holdingvalue% of booksharesprice1y
unmapped CUSIP 6707031071.8B20.8%17.2M
unmapped CUSIP 112463AF1505.4M6.0%306.9M
COGT
Cogent Biosciences, Inc.
348.1M4.1%9.0M36.73+209.6%
PRAX
Praxis Precision Medicines, Inc.
310.4M3.7%963.4K375.94+730.8%
VTRS
Viatris Inc
273.0M3.2%20.2M16.32+53.2%
UTHR
UNITED THERAPEUTICS Corp
271.0M3.2%457.0K513.12+67.4%
RVMD
Revolution Medicines, Inc.
223.4M2.6%2.3M209.46+479.3%
unmapped CUSIP 604749AB7209.4M2.5%70.0M
unmapped CUSIP 04280AAC4207.2M2.4%200.0M
CELC
Celcuity Inc.
195.6M2.3%1.7M93.53+91.8%
CNC
CENTENE CORP
193.7M2.3%5.9M65.02+121.2%
LRMR
Larimar Therapeutics, Inc.
160.2M1.9%35.6M4.18+10.9%
BKD
Brookdale Senior Living Inc.
159.2M1.9%11.6M11.80+61.4%
VERA
Vera Therapeutics, Inc.
149.7M1.8%3.7M32.27+46.0%
IONS
IONIS PHARMACEUTICALS INC
148.7M1.8%2.0M59.74+39.5%
BCRX
BIOCRYST PHARMACEUTICALS INC
143.2M1.7%15.0M9.55+14.0%
INSP
Inspire Medical Systems, Inc.
139.4M1.6%2.7M62.36-33.0%
LEGN
Legend Biotech Corp
139.1M1.6%7.7M21.82-38.8%
AHCO
AdaptHealth Corp.
136.6M1.6%11.5M5.63-39.7%
NAMS
NewAmsterdam Pharma Co N.V.
136.5M1.6%4.3M27.87+14.6%
ACHC
Acadia Healthcare Company, Inc.
105.7M1.2%4.5M27.82+30.6%
ARWR
ARROWHEAD PHARMACEUTICALS, INC.
98.6M1.2%1.6M87.11+331.2%
unmapped CUSIP 14888U10197.6M1.2%3.9M
INDV
Indivior Pharmaceuticals, Inc.
94.4M1.1%3.1M36.87+52.7%
XENE
Xenon Pharmaceuticals Inc.
94.0M1.1%1.6M60.77+61.5%
unmapped CUSIP 462222AF790.6M1.1%60.0M
PHVS
Pharvaris N.V.
88.3M1.0%3.1M36.27+57.7%
SNDX
Syndax Pharmaceuticals Inc
88.3M1.0%3.8M19.65+24.8%
TNGX
Tango Therapeutics, Inc.
86.8M1.0%4.1M23.88+253.8%
unmapped CUSIP 01625VAB085.9M1.0%61.0M
DNTH
Dianthus Therapeutics, Inc. /DE/
85.6M1.0%1.0M111.10+374.4%
PFE
PFIZER INC
85.4M1.0%3.0M28.07+10.6%
NBIX
NEUROCRINE BIOSCIENCES INC
80.4M0.9%610.0K152.57+14.5%
unmapped CUSIP 23954D10979.8M0.9%3.7M
SVRA
Savara Inc
74.1M0.9%13.6M5.59+80.9%
unmapped CUSIP 98937LAA367.3M0.8%65.0M
unmapped CUSIP 29332G10266.9M0.8%4.7M
unmapped CUSIP 64049MAB666.7M0.8%72.7M
GMAB
GENMAB A/S
66.1M0.8%2.5M33.45+39.0%
BIO
BIO-RAD LABORATORIES, INC.
63.0M0.7%226.1K380.03+31.9%
LNTH
Lantheus Holdings, Inc.
62.8M0.7%828.0K99.97+78.1%
SPRY
ARS Pharmaceuticals, Inc.
60.3M0.7%7.5M5.50-62.3%
STOK
Stoke Therapeutics, Inc.
59.4M0.7%1.8M32.29+67.1%
NVST
Envista Holdings Corp
56.1M0.7%2.2M27.20+31.3%
IDYA
IDEAYA Biosciences, Inc.
51.0M0.6%1.5M39.67+63.1%
BLTE
BELITE BIO, INC
48.5M0.6%304.0K161.06+154.0%
BMRN
BIOMARIN PHARMACEUTICAL INC
48.1M0.6%851.6K66.70+15.1%
KYMR
Kymera Therapeutics, Inc.
46.7M0.6%561.2K119.80+182.9%
CERT
Certara, Inc.
44.5M0.5%7.8M8.43-21.1%
BBOT
BridgeBio Oncology Therapeutics, Inc.
43.7M0.5%4.9M9.08-5.7%

A position that grew quarter on quarter may simply reflect a higher price: if the stock rose 40% and the manager did nothing, the reported value rose 40%. Reading that as accumulation is reading the price back to yourself. More on that →

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